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Instrumentation for measurement of sensory loss in the fingertips.

Authors
Carlson-WS; Samueloff-S; Taylor-W; Wasserman-DE
Source
J Occup Med 1979; 21(4):260-264
NIOSHTIC No.
00117507
Abstract
Four newly designed aesthesiometers for measuring fingertip sensation were evaluated. Two of the devices were for testing depth sense perception and two were for testing two point discrimination. Comparison tests to determine the most sensitive pair of instruments were conducted using 20 normal male and female subjects and 3 female and 4 male subjects with Raynaud's phenomena. Tests were performed with a tunnel device, and three measurements with each finger of each hand were made employing all four instruments. No particular trends in discrimination thresholds of different fingers of each hand were found in normal subjects. A consistent sex difference in discrimination was evident, with fingers of female being more sensitive than those of males. No difference in sensitivity between the fingers was noted. Decreased sensitivity in the fingertips was apparent in subjects with Raynaud's disease. The combination of the depth sense perception instrument with a split surface commencing at a zero point marked 5 centimeters from the end and the two point discrimination instrument with a 5 millimeter deep wedge shaped channel incised in the longitudinal surface was more sensitive than the other pair of instruments. The authors conclude that all four instruments are useful for detecting sensory change in the fingertip.
Keywords
JOCMA7; NIOSH-Author; Analytical-methods; Physiological-testing; Diagnostic-techniques; Equipment-design; Neuromotor-function; Neuromotor-disorders; Sex-factors
CODEN
JOCMA7
Publication Date
19790101
Document Type
Journal Article
Fiscal Year
1979
NTIS Accession No.
NTIS Price
Issue of Publication
4
ISSN
0096-1736
Source Name
Journal of Occupational Medicine
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